Pls explain q 7 The answers are 2kg m/s , -1m/s and -15N - Physics - Force and Laws of Motion

Question

Pls explain q 7 The answers are 2kg m/s?, -1m/s and -15N

Neelam Dubey · Accepted Answer

Pls explain q 7. The answers are 2kg m/s?, -1m/s and -15N